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2050868380 = 2251141271839
BaseRepresentation
bin111101000111101…
…1100010010011100
312021221001220112011
41322033130102130
513200010242010
6535301121004
7101552044051
oct17217342234
95257056464
102050868380
11962730850
124929b9164
13268b77ab2
1415653b028
15c00aea8a
hex7a3dc49c

2050868380 has 96 divisors (see below), whose sum is σ = 4836464640. Its totient is φ = 724032000.

The previous prime is 2050868377. The next prime is 2050868467. The reversal of 2050868380 is 838680502.

It is a super-2 number, since 2×20508683802 = 8412122224167648800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2444001 + ... + 2444839.

It is an arithmetic number, because the mean of its divisors is an integer number (50379840).

Almost surely, 22050868380 is an apocalyptic number.

2050868380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2050868380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2418232320).

2050868380 is an abundant number, since it is smaller than the sum of its proper divisors (2785596260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2050868380 is a wasteful number, since it uses less digits than its factorization.

2050868380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 2050868380 is about 45286.5143282192. The cubic root of 2050868380 is about 1270.5134386251.

It can be divided in two parts, 20508 and 68380, that added together give a palindrome (88888).

The spelling of 2050868380 in words is "two billion, fifty million, eight hundred sixty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 41 44 55 82 110 164 205 220 271 410 451 542 820 839 902 1084 1355 1678 1804 2255 2710 2981 3356 4195 4510 5420 5962 8390 9020 9229 11111 11924 14905 16780 18458 22222 29810 34399 36916 44444 46145 55555 59620 68798 92290 111110 122221 137596 171995 184580 222220 227369 244442 343990 378389 454738 488884 611105 687980 756778 909476 1136845 1222210 1513556 1891945 2273690 2444420 2501059 3783890 4547380 5002118 7567780 9322129 10004236 12505295 18644258 25010590 37288516 46610645 50021180 93221290 102543419 186442580 205086838 410173676 512717095 1025434190 2050868380